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Role of genetic factors in the prognosis and prediction of efficacy of chemotherapy in breast carcinoma patients
Brynychová, Veronika ; Souček, Pavel (advisor) ; Macůrek, Libor (referee) ; Stružinská, Ivana (referee)
Changes in the regulation of apoptosis and cell cycle are involved in tumor development, progression, and resistance to antitumor therapy. The aim of this work was to evaluate the importance of apoptotic caspases and regulators of cytokineses as possible prognostic and predictive markers in breast carcinoma patients. In addition to determining the transcript levels of selected genes in tumor and control tissues obtained from breast carcinoma patients, we have also focused on the importance of alternative splice variants of caspases and their potential genetially determined regulation. We analysed the obtained data in relation to the clinical-pathological characteristics of the tumors, the progression-free survival of patients and to the response of the patients to the neoadjuvant chemotherapeutic treatment. Part of the work was determination of protein expression levels and verification of the importance of selected candidates for the effect of chemotherapy by functional study. The transcript levels of caspase 2, 3, 7, 8, 9, 10, the specifically detected splice variants caspase 2S, 2L, 3A and B, 3S, 9A, 9B, 8L, and the transcript levels of KIF14 and CIT in breast carcinomas were unrelated to the progression-free survival of patients, or to the response of patients to neoadjuvant treatment. The...
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